4.4
(314)
2,278
riders
94
rides
Gravel biking in Hallerbos - Lembeekbos - Maasdalbos offers diverse landscapes characterized by extensive ancient woodlands, nature reserves, and undulating terrain. The region features the renowned Hallerbos, known for its seasonal bluebell blooms and impressive sequoia trees, alongside the expansive Lembeekbos and the protected Maasdalbos with its unique biodiversity. These areas provide varied gravel bike terrain, from forest paths to trails along streams, suitable for different skill levels.
Last updated: June 24, 2026
4.8
(8)
38
riders
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
4.3
(4)
8
riders
17.4km
00:56
140m
140m
Easy gravel ride. Great for any fitness level. Mostly paved surfaces. Suitable for all skill levels.

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4.0
(2)
10
riders
43.4km
02:39
390m
390m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
5
riders
43.7km
02:37
540m
540m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
3.0
(1)
5
riders
64.6km
03:47
610m
610m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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Popular around Hallerbos - Lembeekbos - Maasdalbos
The Groenendaal racecourse was built in 1888-1889 on the initiative of Leopold II in the middle of the Sonian Forest, next to the road to Waterloo, and in 1892, as part of easy access, it received its own railway connection to Groenendaal station. To realize this racecourse, approximately 100 hectares of forest were cleared at the end of the 19th century. King Leopold II had his own box there, located between two metal grandstands for the public. After the First World War, this area was used for the dismantling of weapons and ammunition left behind in the Westhoek. German prisoners of war had to clear mines under the supervision of the Belgian army. During a fire and the subsequent explosions of ammunition on May 6, 1919, the hippodrome's grandstands and buildings were heavily damaged. After another explosion in November, the ammunition depot was completely dismantled in 1920. Two years later, the racecourse was restored and the grandstands were rebuilt. The royal box for Albert I was not rebuilt until 1924. Its appearance was completely different from the pre-war grandstand. When the current appearance came about is not entirely clear, although the current box is attributed to Albert I in the literature, see also monogram. Inventory of Immovable Heritage: Royal Box and remains of bookmaker's room, https://id.erfgoed.net/erfgoedobjecten/302991
4
0
Good for adventure
0
0
Nice sighting when out riding, there is a gravel track passing through and a bit later you'll meet a pasture with beautiful Highland Cows!
1
0
Old asphalt in the forest. Could be a better surface.
2
0
A walk in Halle Woods is a must all year round, but between mid-April and early May, it's even more special. At this time, the bluebells are in bloom. These spring flowers create a magnificent purple carpet. It depends on the weather, of course, but fortunately lasts for two or three weeks. This gives you plenty of time to admire the carpet of flowers.
0
0
quiet surroundings and beautiful views
1
0
I ride on the edges to cushion the impact of the cobblestones 😉
1
0
The Hallerbos - Lembeekbos - Maasdalbos region offers a wide selection of gravel biking routes, with nearly 170 tours available on komoot. These range from easy forest paths to more challenging trails, ensuring options for various skill levels.
The Hallerbos is particularly stunning from mid-April to late May when the famous bluebells bloom, transforming the forest floor into a vibrant purple-blue spectacle. This makes spring an exceptionally scenic time for gravel biking. However, the ancient woodlands offer beautiful rides throughout the year, with autumn providing rich fall colors.
Yes, there are several routes suitable for families, particularly those looking for easier rides. The region features 13 easy gravel tours, often on forest paths, which are great for a more relaxed experience. An example is the Bluebell bloom in Hallerbos – Hallerbos wildlife overpass loop from Tour des Vaux, which is 17.1 km long and rated as easy.
You can expect diverse terrain, from undulating forest paths through ancient woodlands to trails along streams. Some routes, especially those rated difficult, may include segments that require good fitness and advanced riding skills, with occasional sections where you might need to push your bike.
The region is rich in natural beauty and historical landmarks. You can explore the famous Hallerbos — The Bluebell Forest, known for its seasonal blooms and giant sequoia trees. Other notable spots include the serene Steenputbeek Valley and the historic Malakoff tower near Lembeekbos, a replica medieval watchtower.
Absolutely. The region offers 70 difficult gravel tours for those seeking a greater challenge. A demanding option is the Hallerbos – Haller Forest loop from Lembeek, a 21.0 km path that explores the heart of Hallerbos. Another challenging route is the Sonian Forest – Sonian Forest Path loop from Lembeek, which is a longer 64.8 km ride.
The komoot community highly rates the gravel biking experience in Hallerbos - Lembeekbos - Maasdalbos, with an average score of 4.4 stars from over 250 reviews. Riders frequently praise the diverse landscapes, the beauty of the ancient woodlands, and the variety of routes catering to different skill levels.
Yes, many of the gravel routes in the region are designed as loops, allowing you to start and finish at the same point. For example, the popular Malheide Bridge – Mural Along the Canal in Halle loop from Lembeek is a moderate 24.6 km circular trail.
While specific parking locations aren't detailed here, Hallerbos is a popular destination, and designated parking areas are typically available near main entrances or visitor centers. For detailed information on parking facilities, it's advisable to check local visitor guides or the official Visit Halle website before your trip.
Yes, the ancient forests and nature reserves like Hallerbos are home to a rich fauna. You might encounter roe deer, foxes, squirrels, wild hares, and over 100 bird species. The region is also known for a significant population of fire salamanders, particularly in Hallerbos.
Certainly. Many routes traverse areas where natural beauty meets local culture. For instance, you can find highlights like The Enchanted Forest Mural (Het Betoverde Bos), Pacapime, Halle, which adds an artistic touch to the natural surroundings, or the historic Malakoff tower.


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